The current in an RL circuit increases to 95% of its final value2.24 s after the switch is closed. (a) What is the characteristic timefor this circuit? (b) If the inductance in the circuit is 0.275 H, whatis the resistance?

The current in an RL circuit increases to 95% of its final value2.24 s after the switch is closed. (a) What is the characteristic timefor this circuit? (b) If the inductance in the circuit is 0.275 H, whatis the resistance?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 12CQ: When the current in the RL circuit of Figure 14.12(b) reaches its final value /R, what is the...

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Question

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The current in an RL circuit increases to 95% of its final value
2.24 s after the switch is closed. (a) What is the characteristic time
for this circuit? (b) If the inductance in the circuit is 0.275 H, what
is the resistance?

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